Puma Faas 350 S - Women’s

The Basics

Runner’s World Review

Low-slung and responsive, the Faas 350 S is a no-frills training shoe capable of pulling double duty for faster-paced workouts and long runs. The foam-rubber midsole is exposed, while only a minimum amount of outsole is used to keep the shoe lightweight and superflexible. One drawback: limited traction. Wear-testers said the 350 S slips on wet surfaces. Faster runners appreciated how the shoe performed. "The Faas 350 would be among my choices if I were to buy only one shoe for everyday training," says Ulrich Fluhme, 37, of New York City, who has a 2:33 marathon PR and primarily trains in racing flats.

Bottom Line: A good first step for those curious about trying minimal footwear.

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All the Stats You Need!

Weight: Light | 7.3 oz

Heel-To-Toe-Drop: Low | 4.0 mm

Heel Height: Very Low | 22.2 mm

Heel Cushioning: Very Firm

Forefoot Height: Very Low | 18.2 mm

Forefoot Cushioning: Firm

Flexibility: Very Flexible

Stability Features: Few

Energy Return: Less

We put each shoe through real-world usage and a battery of mechanical tests in our lab to provide you with objective — and exclusive — data. In addition to a shoe's weight, we measure sole thickness (everything that sits between your foot and the road), how well the foam cushions your stride, and the flexibility of the forefoot. All this is taken into account in our reviews of each shoe.

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